The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 22, 2021

Filed:

Mar. 27, 2019
Applicant:

Xerox Corporation, Norwalk, CT (US);

Inventors:

David A. Mantell, Rochester, NY (US);

Peter J. Nystrom, Webster, NY (US);

Christopher G. Lynn, Wolcott, NY (US);

Jason O'Neil, Rochester, NY (US);

Assignee:

Xerox Corporation, Norwalk, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 64/209 (2017.01); B29C 64/321 (2017.01); B29C 64/118 (2017.01); B33Y 30/00 (2015.01); B33Y 40/00 (2020.01);
U.S. Cl.
CPC ...
B29C 64/209 (2017.08); B29C 64/118 (2017.08); B29C 64/321 (2017.08); B29C 2948/926 (2019.02); B29C 2948/92904 (2019.02); B33Y 30/00 (2014.12); B33Y 40/00 (2014.12);
Abstract

An additive manufacturing system opens the valves in an extruder needed to form a swath and operates an actuator to move the extruder through a transition region with those valves open to establish an amount of extrusion material between a faceplate of the extruder and a portion of an object being formed that is adequate for formation of a swath. The length of the transition region is determined with reference to a viscosity of the material being extruded and a speed at which the extruder is moved to form the swath. The transition region can be perpendicular to a path of the extruder to form the swath or aligned with the path of the extruder to form the swath.


Find Patent Forward Citations

Loading…